SIST EN 751-3:1997

Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water - Part 3: Unsintered PTFE tapes

This European Standard specifies requirements and test methods for unsintered polytetrafluorethylene (PTFE) tapes (hereafter referred to as PTFE tapes) which are suitable for sealing threaded metallic joints as specified in ISO 7-1. The PTFE tapes are typically for use in installations for 1st family gases (town gas), 2nd family gases (natural gas) and 3rd family gases (liquefied petroleum gases (LPG)) up to 5 bar and up to 7 bar for hot water of heating systems (Class A) as well as up to 0,2 bar in gas appliances and their auxiliary equipment (Class B). The maximum working pressure covered in this European Standard is 20 bar which is relevant to LPG storage (Class C). The temperature range is limited to - 20 oC to 125 oC.  NOTE:  For applications outside the scope of this Standard (e.g. compressed gases) the purchaser should consult the manufacturer.  Anaerobic jointing compounds are covered by EN 751-1, non-hardening sealing materials in form of - e.g. jointing compound paste - are covered by EN 751-2.

Dichtmittel für Gewindeverbindungen in Kontakt mit Gasen der 1., 2. und 3. Familie und Heißwasser - Teil 3: Ungesinterte PTFE-Bänder

Diese Norm legt Anforderungen und Prüfmethoden für ungesinterte Polytetrafluorethylen-(PTFE)-Bänder (im weiteren als PTFE-Bänder bezeichnet) fest, die geeignet sind, metallene Gewindeverbindungen, wie sie z.B. in ISO 7-1 genormt sind, abzudichten. Die PTFE-Bänder sind für den Einsatz in Kontakt mitGasen der 1., 2. und 3. Gasfamilie und Heißwasser von Heizungsanlagen sowie für den Einsatz in Gasgeräten und deren Zusatzeinrichtungen vorgesehen. Der Einsatz von PTFE-Bändern ist begrenzt auf einen Gesamtbetriebsdruck von 20 bar und einen Temperaturbereich von -20 °C bis 125 °C.

Matériaux d'étanchéité pour raccords filetés en contact des gaz de la 1ere, 2eme et 3eme famille et de l'eau chaude - Partie 3: Bandes en PTFE non fritté

Cette norme spécifie les exigences et les méthodes d'essais auxquelles les rubans en polytétrafluoréthylene (PTFE) non fritté (appelés ci-dessous rubans enPTFE) doivent satisfaire pour étancher les raccords filetés métalliques réalisésd'apres la Norme ISO 7-1. Les rubans en PTFE sont utilisés sur les circuits de distribution des gaz du 1er, 2eme et 3eme groupe, l'eau chaude et l'eau de chauffage ainsi que sur les appareils a gaz et leur équipement auxiliaire. CetteNorme spécifie l'utilisation des rubans en PTFE a une pression de 20 bars et a une température comprise entre -20 et +125 °C.

Tesnilni materiali za kovinske navojne zveze v stiku s plini 1., 2. in 3. družine ter vročo vodo - 3. del: Nesintrani PTFE trakovi

General Information

• Status: Withdrawn
• Publication Date: 31-Jul-1997
• Withdrawal Date: 16-Oct-2022
• ICS: 83.140.50 - Seals
• ICS: 91.140.40 - Gas supply systems
• ICS: 91.140.60 - Water supply systems
• Technical Committee: PLN - Gas appliances for domestic use
• Current Stage: 9900 - Withdrawal (Adopted Project)
• Start Date: 13-Oct-2022
• Due Date: 05-Nov-2022
• Completion Date: 17-Oct-2022
• Directive: 2009/142/EC - DIRECTIVE 2009/142/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 30 November 2009 relating to appliances burning gaseous fuels
• Directive: 2016/426 - REGULATION (EU) 2016/426 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 9 March 2016 on appliances burning gaseous fuels and repealing Directive 2009/142/EC
• Directive: 89/106/EEC - Construction products
• Directive: 90/396/EEC - Appliances burning gaseous fuels
• Mandate: M/131 - Mandate to CEN/CENELEC concerning the execution of standardization work for harmonized standards on pipes, tanks and ancillaries, not in contact with water intended for human consumption
• Mandate: M/BC/CEN/89/6 - Standardization request to CEN concerning appliances burning gaseous fuels
• Ref Project: EN 751-3:1996 - Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water - Part 3: Unsintered PTFE tapes

Relations

• Replaced By: SIST EN 751-3:2022 - Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water - Part 3: Unsintered PTFE tapes and PTFE strings
• Effective Date: 01-Nov-2022
• Corrected By: SIST EN 751-3:1997/AC:1999 - Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water - Part 3: Unsintered PTFE tapes
• Effective Date: 01-Dec-1999

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 751-3:1997
01-avgust-1997
7HVQLOQLPDWHULDOL]DNRYLQVNHQDYRMQH]YH]HYVWLNXVSOLQLLQGUXåLQHWHU
YURþRYRGRGHO1HVLQWUDQL37)(WUDNRYL
Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family
gases and hot water - Part 3: Unsintered PTFE tapes
Dichtmittel für Gewindeverbindungen in Kontakt mit Gasen der 1., 2. und 3. Familie und
Heißwasser - Teil 3: Ungesinterte PTFE-Bänder
Matériaux d'étanchéité pour raccords filetés en contact des gaz de la 1ere, 2eme et
3eme famille et de l'eau chaude - Partie 3: Bandes en PTFE non fritté
Ta slovenski standard je istoveten z: EN 751-3:1996
ICS:
83.140.50 Tesnila Seals
91.140.40 Sistemi za oskrbo s plinom Gas supply systems
91.140.60 Sistemi za oskrbo z vodo Water supply systems
SIST EN 751-3:1997 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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